- David Bjerklie and Alice Park/New York, Dan Cray/Los Angeles and Jeff Israely/Rome, Time, November 7, 2006.
- Carl Sagan, Cosmos (New York: Ballantine Books, 1980), 1.
- George Smoot and Keay Davidson, Wrinkles in Time (New York: Avon, 1993), 241.
- Smoot and Davidson, 17.
- Hugh Ross, The Creator and the Cosmos (3rd ed. (Colorado Springs, CO: NavPress, 2001), 224.
- Stephen Hawking, A Brief History of Time (New York: Bantam, 1990), 125.
- George Greenstein, The Symbiotic Universe (New York: William Morrow, 1988), 27.
- Fred Hoyle, “Let there be Light,” Engineering and Science (November 1981).
- Albert Einstein, Ideas and Opinions—The World As I See It (New York: Bonanza, 1931), 40.
- Francis Crick, Life Itself (New York: Simon & Schuster, 1981), 88.
- Quoted in William A. Dembski and James M. Kushiner, eds., Signs of Intelligence (Grand Rapids, MI: Brazos, 2001), 108.
- Quoted in Gary Habermas, “My Pilgrimage from Atheism to Theism”: Interview with Antony Flew, Philosophia Christi, (Winter, 2005).
- Stephen Hawking, A Brief History of Time, 174.
- John Boslough, Stephen Hawking’s Universe (New York: Avon, 1989), 109.
- Robert Jastrow, God and the Astronomers (London: W.W. Norton & Co. Inc., 1992), 107.